Mobile OS Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Mobile OS Interview Questions

Questions Answers Views Company eMail

What’s the difference between an “app id” and a “bundle id” and what is each used for?

833

What is a category and when is it used?

832

What are “strong” and “weak” references? Why are they important and how can they be used to help control memory management and avoid memory leaks?

710

What are the limits of accessibility ?

797

Explain the characteristics of ios?

756

Explain place holder constraint

720

Explain differences between foundation and corefoundation

775

What is auto-layout?

853

What is the difference between let and var in swift?

847

What is the difference between atomic and non-atomic properties? Which is the default for synthesized properties? When would you use one over the other?

719

Explain the difference between copy and retain?

870

What is the difference between synchronous & asynchronous task ?

837

Why do you generally create a weak reference when using self in a block?

820

what’s accessibilityhint?

791

What is made up of nserror object?

797

Un-Answered Questions { Mobile OS }

Which programming language is used in ios?

781

How to start another activity?

893

Explain how to save silverlight uielements into an image?

801

What is difference between static library and framework?

830

Explain the features of blackberry?

893

Explain in brief about the important file and folder when you create a new app?

904

What is the use of android manifest.xml?

835

What is ios image?

695

Do you know what is anr, and why does it happen?

871

What are the popular apps of iphone?

847

Is ubuntu completely open source?

683

What is the difference between swift and objective c?

756

In which language ios is written?

765

In android, what does dp unit stand for?

855

What is the difference between synchronous & asynchronous task in ios?

658

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